package prova;

public class aaaaa {

	public static void main(String[] args) {
		float a = 27*6 + 28*9 + 31*12 + 25*9 + 29*9 + 31*12 + 24*6 + 28*9 + 28*12 + 31*6;
		float b = a/90;
		System.out.println(b);
	}

}
